Home / 36,888.24-50,904.96-20,121.20

Finding the Fourth Proportional to 36,888.24, 50,904.96 and 20,121.20

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Solution

The fourth proportional to 36,888.24, 50,904.96 and 20,121.20 is: 27,766.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,888.24 : 50,904.96 = 20,121.20 : x
  2. Step 2: Convert to fraction form
    36,888.24/50,904.96 = 20,121.20/x
  3. Step 3: Cross multiply
    36,888.24x = 50,904.96 × 20,121.20
  4. Step 4: Simplify right side
    36,888.24x = 1,024,268,881.15
  5. Step 5: Solve for x
    x = 1,024,268,881.15/36,888.24
  6. Step 6: Final answer
    x = 27,766.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.